citra/src/video_core/utils.cpp

46 lines
1.2 KiB
C++

// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <stdio.h>
#include <string.h>
#include "utils.h"
namespace VideoCore {
/**
* Dumps a texture to TGA
* @param filename String filename to dump texture to
* @param width Width of texture in pixels
* @param height Height of texture in pixels
* @param raw_data Raw RGBA8 texture data to dump
* @todo This should be moved to some general purpose/common code
*/
void DumpTGA(std::string filename, int width, int height, u8* raw_data) {
TGAHeader hdr;
FILE* fout;
u8 r, g, b;
memset(&hdr, 0, sizeof(hdr));
hdr.datatypecode = 2; // uncompressed RGB
hdr.bitsperpixel = 24; // 24 bpp
hdr.width = width;
hdr.height = height;
fout = fopen(filename.c_str(), "wb");
fwrite(&hdr, sizeof(TGAHeader), 1, fout);
for (int i = 0; i < height; i++) {
for (int j = 0; j < width; j++) {
r = raw_data[(4 * (i * width)) + (4 * j) + 0];
g = raw_data[(4 * (i * width)) + (4 * j) + 1];
b = raw_data[(4 * (i * width)) + (4 * j) + 2];
putc(b, fout);
putc(g, fout);
putc(r, fout);
}
}
fclose(fout);
}
} // namespace